Designed with a disciplined minimalism, the Cerium SL Hoody from Arc'teryx is exceptionally light and compressible. It primarily functions as a midlayer, but its efficient warmth and packability makes it an effective standalone for rest breaks, evenings at camp, or emergency bivvies. The 850 fill power goose down’s warmth to weight ratio is outstanding, and the wind resistant Arato™ 7 nylon shell is ultra lightweight and resists tearing. An insulated StormHood™ adds warmth.\n\nMaterialsCoreloft™ 100 (100 g/m² ) insulation. Made with highly crimped multi-denier siliconized polyester yarn, this lightweight, breathable, and thermally efficient, 100% polyester staple fiber is very compressible and has excellent loft retention.850 fill European grey goose downCoreloft™ 40 (40 g/m²) insulation. Made with highly crimped multi-denier siliconized polyester yarn, this lightweight, breathable, and thermally efficient, 100% polyester staple fibre is very compressible and has excellent loft retention.Arato ™ 7 - 100% nylon Arc'teryx Cerium Sl Hoody Men's Hyperspace | Buy Arc'teryx Cerium Sl Hoody Men's Hyperspace here | Outnorth